"Oh no, I can't learn how it works, let me install software to run my software.
Then I'll install some software to run that software too".

Nonsense. Learn KVM concepts or make some suggestions how the UI could be
improved.

I have one for virt-manager. Its counter-intuitive not to be able to change the network of a nic card after creating the network. Instead of that, you have to delete it and add it to the new private network :)